* Allow terraform fixtures for examples
* Allow defining multiple fixtures, and named fixtures under tests/fixtures/
* Enable e2e for wiktorn
* Fix prepare_files call for e2e
* Move fixture to separate file, fix test
* Revert shallow-copying symlinks, performane penalty - 20%
* Update tfdoc.py to list used fixtures
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Co-authored-by: Wiktor Niesiobędzki <wiktorn@google.com>